CONTENTS

Discovery of Cu-Zn Intermetallic Compound in the Jinshan Gold Deposit and Its Geological Significance ……YANG Long-bo et al.( 1 )

Finding and Significance of Ilvaite in the Cihai Iron Deposit, Xinjiang Autonomic Region, China ……TANG Ping-zhi et al.( 9 )

Mineralogy of Sulfides from Ultraslow Spreading Southwest Indian Ridge 49.6ºEHydrothermal Field and Its Metallogenic Significance ……YE Jun et al.( 17 )

Determination of Biogenic Silica in Sediments of Reservoirs in the Wujiang River and its Environment Significance……LEI Yun-yi et al.( 30 )

Implications ofZr/Hf Fractionation in the Ertan High-Ti Basalt ……YAN Zai-fei et al.( 36 )

Geochemical Characteristics of the Langdu High-K Intermediate-Acid Intrusive Rocks in the Zhongdian Area, Northwest Yunnan Province, P.R. China ……REN Tao et al. ( 43 )

Petrogenesis and Tectonic Significance of the Laochang Basalt in Western Yunnan Province, China ……CHEN Mi et al.( 55 )

A Study on SHRIMP and TIMS Zircons Dating on Low- to Medium-Grade Ortho-Metamorphic Rocks: Example on the Nanwenhe Granites, Southeastern Yunnan Province, P.R. China ……TAN Hong-qi et al.( 62 )

U-Pb Zircon Geochronology of the Zijinshan Alkaline Intrusive Complex, Shanxi Province, and Its Geological Significance by using LA-ICP-MS……ZHANG Hong-fa et al. ( 70 )

The Tin Technological Mineralogical Research of Skarn-type Multi-metallic Ore in Huangshaping ……DING Jun et al.( 80 )

An Experimental Study on Phase Transformation of Montmorillonite in Reservoirs by Using Alkaline Treatment ……ZHU Yun et al. ( 88 )

A study on the treatment of landfill leachate by Using combined mineralogical method ……LING Hui et al.( 95 )

A Study on Preparation, characterizationand Photocatalytic Activity of Iron-Doped nano-TiO2 thin films Based on Self-Assembled Mololayers (SAMs) ……LI Qing-xia et al.( 102 )

Influence of Heat Treatment on the Intrinsic Electric Dipole Moment of Tourmaline ……ZHAO Chang-chun et al. ( 108 )

Adsorption Thermodynamics of Copper from Aqueous Solution on Palygorskite Clay ……HAO Yan-ling et al.( 113 )

Effects of Monovalent Cation and Dissolved Organic Matter on the Formation of Biogenic Secondary Iron Minerals in Bioleaching System ……BAI Shuang-you et al.( 118 )

The Relationship Between the Equilibrium Constant and Fractionation Factors in Isotope Exchange Reactions: the Role of the Excess Factor and Its Calculation Method ……ZHANG Ji-xi et al.( 126 )

Molecular Simulations of Crystal Structure Conformation, X-Ray Diffraction and Infra-Red Spectrum in Montmorillonites ……WANG Jin et al.( 133 )

Effects of Land-use Patterns on Evolution of Clay Minerals of Black Soil in Northeast China ……ZHENG Qing-fu et al.( 139 )

Application Progress of Clay Minerals in the Researches of Climate and Environment ……SUN Qing-feng et al. ( 146 )

A Study of Heavy Metal Geochemistry Behavior During Oxidation in the Mine Tailings ……Duanmu Heshun et al. ( 153 )